Finding the Fourth Proportional to 814,790.13, 1,124,410.37 and 457,094.13
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Solution
The fourth proportional to 814,790.13, 1,124,410.37 and 457,094.13 is: 630,789.89
Step by Step Solution
- Step 1: Write the proportion equation
814,790.13 : 1,124,410.37 = 457,094.13 : x - Step 2: Convert to fraction form
814,790.13/1,124,410.37 = 457,094.13/x - Step 3: Cross multiply
814,790.13x = 1,124,410.37 × 457,094.13 - Step 4: Simplify right side
814,790.13x = 513,961,379,838.13 - Step 5: Solve for x
x = 513,961,379,838.13/814,790.13 - Step 6: Final answer
x = 630,789.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.